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Finding the Fourth Proportional to 222,186.60, 333,279.90 and 142,470.45

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Solution

The fourth proportional to 222,186.60, 333,279.90 and 142,470.45 is: 213,705.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,186.60 : 333,279.90 = 142,470.45 : x
  2. Step 2: Convert to fraction form
    222,186.60/333,279.90 = 142,470.45/x
  3. Step 3: Cross multiply
    222,186.60x = 333,279.90 × 142,470.45
  4. Step 4: Simplify right side
    222,186.60x = 47,482,537,328.96
  5. Step 5: Solve for x
    x = 47,482,537,328.96/222,186.60
  6. Step 6: Final answer
    x = 213,705.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.